i18n:fixed wrong mgsid of user logged in message

账户A已登录，关机或重启可能导致其正在运行的数据丢失。

User 1% has logged in, shutdown or restart may cause the running data to be lost.

其他账户已登录，关机或重启可能导致其正在运行的数据丢失。

The other users have logged in, shutdown or restart may cause the running data to be lost.

tower:https://tower.im/projects/7574cb18999c478dbc7119d88a81e49b/todos/146c7cdeb3b4454d852eaa84fbcdf05b/

Change-Id: I9c9374bcdb5b48754e3398c1c78a7bff0cb8ccc3